Posture device



FIG. 1 is a top perspective view of a posture device showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right view thereof; and,

FIG. 8 is a left view thereof.

The broken lines showing of orifices in FIG. 1-6 are included for the purpose of showing environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a posture device, as shown and described. 